Buckles – buttons – clasps – etc.
Patent
1974-07-26
1976-03-16
Corsin, John A.
Buckles, buttons, clasps, etc.
240 413, 350166, 350290, 353 55, G02B 528
Patent
active
039443205
ABSTRACT:
A cold-light mirror, especially suitable in the form of an ellipsoidal or hyberbolic mirror for an optical system for forming a light beam, comprises a metal substrate covered with a pigmented vitreous layer for absorption of infra-red radiation which is transmitted by an overlying dielectric interference layer.
REFERENCES:
patent: 2914989 (1959-12-01), Gretener
patent: 3174067 (1965-03-01), Bahrs
patent: 3247383 (1966-04-01), Ulseth et al.
patent: 3645601 (1972-02-01), Doctoroff et al.
patent: 3665179 (1972-05-01), McLintic
Corsin John A.
O'Connell Robert F.
Thorn Electrical Industries Limited
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